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Upon the death of Honorius in 423 the Emperor Theodosius II of Constantinople became the sole ruler of both East and West. The usurper John was proclaimed Western emperor by the Ravenna court in 424 but Eastern armies under the Alan General Ardabur and his son Aspar, defeated the forces at Ravenna, executed John and made Valentinian III the emperor. John had expected help from 60,000 Huns who had been recruited in Pannonia by Aetius, but they arrived too late and were sent back. From this time on the military had the greatest power and used increasing numbers of Germanic and Hunnic auxiliaries. Aetius became the senior general in 430. Under Emperor Valentinian III, Leo I, surnamed the Great, became the Bishop of Rome and in essence the Pope of Western Christendom. By courage and statesmanship he raised the Apostolic See to new heights of power and dignity and we should note that this, in effect, marks the beginning of the very definite separation of the head of the western Christian Church, soon to be known as the Pope, from the few remaining weak Western Roman emperors. For the record these emperors are as follows:

  • 455 - Petroneus Maximus
  • 456 – Avitus
  • 457 - 461 Majorian
  • 461 - 465 Libius Severus
  • 467 - 472 Anthemius
  • 472 - Olybrius
  • 473 - 474 Glycerius
  • 474 - 475 Julius Nepos
  • 475 - 476 Romulus Augustulus. End of the Roman Empire, West

To return to our narrative, in 440 the Vandals landed in Sicily and in 452 Attila invaded Italy with his Huns. After plundering Etruria, however, he retreated because of famine and epidemic and apparently some gold payment from Rome. General Aetius was murdered in 454 by Valentian III and his associates, but then the emperor himself was murdered a year later and the Vandals attacked Rome again, plundering the city for two weeks. No aid came from the East, and the new Emperor Petronius Maximus was killed. The next emperor, Avitus with some allies from Gaul won some victories over the Vandals in Sicily and off Corsica, but then Avitus' general, Ricimer, revolted and deposed the emperor. But Ricimer was a German and could not become emperor, so Majorianus assumed that role. He built a navy and beefed up the army with Ostrogoths and restored some vestige of imperial prestige in Gaul. But he was decapitated by the wily Ricimer after loss of a sea battle off the coast of Spain. The Western Roman Empire was now in poverty. In this one century Rome shrank from a population of 1,500,000 to 300,000 as Italy was invaded six times. Finally in the sixth decade of this century the Eastern emperor, Leo I (not to be confused with the Bishop of Rome), decided to help defend Italy against the Vandals and sent a large eastern army and fleet to join with the western Emperor Anthemius' forces. In 468 an army of 100,000 and navy of 1,100 ships still lost to the Vandals.

As indicated above, the line of Western Roman emperors came to an end and Zeno in Constantinople had jurisdiction over all. The Germans who had been brought into Italy in ever increasing numbers now, as a result of their multiplication and intermarriage, became a very prominent faction in Italy. Within 20 years southern Gaul, Dalmatia and Italy were all German kingdoms. Odoacer, the son of Edecon, a minister of Attila but himself from German tribe under Attila's rule, governed Italy as "Patricius", under the distant Emperor Zeno. The latter soon became afraid of the power of Odoacer and actually encouraged the Ostrogoth King Theodoric to invade Italy. After four years of war, from 489 to 493, Theodoric became master of an enlarged new Gothic-ltalian kingdom with a court at Ravenna. The Ostrogoths were Arians and this religious heresy situation became a part of the civil wars that disrupted the political unity of the empire. (Ref. 137 , 127 , 136 , 8 )

Questions & Answers

Three charges q_{1}=+3\mu C, q_{2}=+6\mu C and q_{3}=+8\mu C are located at (2,0)m (0,0)m and (0,3) coordinates respectively. Find the magnitude and direction acted upon q_{2} by the two other charges.Draw the correct graphical illustration of the problem above showing the direction of all forces.
Kate Reply
To solve this problem, we need to first find the net force acting on charge q_{2}. The magnitude of the force exerted by q_{1} on q_{2} is given by F=\frac{kq_{1}q_{2}}{r^{2}} where k is the Coulomb constant, q_{1} and q_{2} are the charges of the particles, and r is the distance between them.
Muhammed
What is the direction and net electric force on q_{1}= 5µC located at (0,4)r due to charges q_{2}=7mu located at (0,0)m and q_{3}=3\mu C located at (4,0)m?
Kate Reply
what is the change in momentum of a body?
Eunice Reply
what is a capacitor?
Raymond Reply
Capacitor is a separation of opposite charges using an insulator of very small dimension between them. Capacitor is used for allowing an AC (alternating current) to pass while a DC (direct current) is blocked.
Gautam
A motor travelling at 72km/m on sighting a stop sign applying the breaks such that under constant deaccelerate in the meters of 50 metres what is the magnitude of the accelerate
Maria Reply
please solve
Sharon
8m/s²
Aishat
What is Thermodynamics
Muordit
velocity can be 72 km/h in question. 72 km/h=20 m/s, v^2=2.a.x , 20^2=2.a.50, a=4 m/s^2.
Mehmet
A boat travels due east at a speed of 40meter per seconds across a river flowing due south at 30meter per seconds. what is the resultant speed of the boat
Saheed Reply
50 m/s due south east
Someone
which has a higher temperature, 1cup of boiling water or 1teapot of boiling water which can transfer more heat 1cup of boiling water or 1 teapot of boiling water explain your . answer
Ramon Reply
I believe temperature being an intensive property does not change for any amount of boiling water whereas heat being an extensive property changes with amount/size of the system.
Someone
Scratch that
Someone
temperature for any amount of water to boil at ntp is 100⁰C (it is a state function and and intensive property) and it depends both will give same amount of heat because the surface available for heat transfer is greater in case of the kettle as well as the heat stored in it but if you talk.....
Someone
about the amount of heat stored in the system then in that case since the mass of water in the kettle is greater so more energy is required to raise the temperature b/c more molecules of water are present in the kettle
Someone
definitely of physics
Haryormhidey Reply
how many start and codon
Esrael Reply
what is field
Felix Reply
physics, biology and chemistry this is my Field
ALIYU
field is a region of space under the influence of some physical properties
Collete
what is ogarnic chemistry
WISDOM Reply
determine the slope giving that 3y+ 2x-14=0
WISDOM
Another formula for Acceleration
Belty Reply
a=v/t. a=f/m a
IHUMA
innocent
Adah
pratica A on solution of hydro chloric acid,B is a solution containing 0.5000 mole ofsodium chlorid per dm³,put A in the burret and titrate 20.00 or 25.00cm³ portion of B using melting orange as the indicator. record the deside of your burret tabulate the burret reading and calculate the average volume of acid used?
Nassze Reply
how do lnternal energy measures
Esrael
Two bodies attract each other electrically. Do they both have to be charged? Answer the same question if the bodies repel one another.
JALLAH Reply
No. According to Isac Newtons law. this two bodies maybe you and the wall beside you. Attracting depends on the mass och each body and distance between them.
Dlovan
Are you really asking if two bodies have to be charged to be influenced by Coulombs Law?
Robert
like charges repel while unlike charges atttact
Raymond
What is specific heat capacity
Destiny Reply
Specific heat capacity is a measure of the amount of energy required to raise the temperature of a substance by one degree Celsius (or Kelvin). It is measured in Joules per kilogram per degree Celsius (J/kg°C).
AI-Robot
specific heat capacity is the amount of energy needed to raise the temperature of a substance by one degree Celsius or kelvin
ROKEEB
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Source:  OpenStax, A comprehensive outline of world history. OpenStax CNX. Nov 30, 2009 Download for free at http://cnx.org/content/col10595/1.3
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